Get in Touch

Feedback from the engineering and maker community is vital to the growth of this library. Whether you've spotted a typo in a dimension table or you want to request a new section for specialized hardware, we want to hear from you.

General Inquiries & Feedback

For general questions or feedback regarding the site, please email us at: info@designparams.com

Technical Corrections

If you believe a dimension listed in our tables is inaccurate based on a specific standard, please include the standard number (e.g., ISO 4762) and the specific revision year in your email so our team can verify and update the database.

Requests for New Parts

Are we missing a specific bearing series or fastener type? Send us your suggestions. We prioritize additions based on community demand.

We aim to respond to all technical inquiries within 48 business hours.